81 = 92
No, -81 is not an irrational number because it can be represented in the form x/y = -81
In binary form it is 1010001.
81 and 9/50
Just writing "81" is mathematical enough for my taste. After all, that's a number, and numbers are mathematical.
81 = 92
No, -81 is not an irrational number because it can be represented in the form x/y = -81
81 is a whole number whose simplest form is 81.
81 = 92 or 8.1 × 101
There is no whole number - 81/90 in its simplest form is 9/10 !
81 = 8.1 × 101
The prime factorization of 81 is 3x3x3x3 or 34 in exponential form.
It is: 2 and 81/100 as a mixed number in its simplest form
92 = 81
In binary form it is 1010001.
9 squared ?
81 and 9/50